from django.http import HttpResponse
from django.http import Http404,HttpResponseRedirect
from django.template import loader
from django.shortcuts import get_object_or_404, render
from django.shortcuts import render
from django.urls import reverse
from .models import Choice, Question
from django.views import generic
import datetime
# Create your views here.
def index(request):
    latest_question_list = Question.objects.order_by('-pub_date')[:5]
    context = {'latest_question_list': latest_question_list}
    return render(request, 'tests/index.html', context)
    template = loader.get_template('polls/index.html')
    context = {
        'latest_question_list': latest_question_list,
    }
    return HttpResponse(template.render(context, request))
    output = ', '.join([q.question_text for q in latest_question_list])
    return HttpResponse(output)
    return HttpResponse("Hello, world. You're at the polls index.")
#
def detail(request, question_id):
    try:
        question = Question.objects.get(pk=question_id)
    except Question.DoesNotExist:
        raise Http404("Question does not exist")
    return render(request, 'polls/detail.html', {'question': question})

def ctime(request):
    # now = "fuck it"
    now = datetime.datetime.now()
    context={'cme':now}
    # return render(request,'polls/ctime.html', {'cme': now})
    return render(request,'polls/ctime.html',context)

def results(request, question_id):
    # response = "You're looking at the results of question %s."
    # return HttpResponse(response % question_id)
    question = get_object_or_404(Question, pk=question_id)
    return render(request, 'polls/results.html', {'question': question})

def vote(request, question_id):
    # return HttpResponse("You're voting on question %s." % question_id)
    question = get_object_or_404(Question, pk=question_id)
    try:
        selected_choice = question.choice_set.get(pk=request.POST['choice'])
    except (KeyError, Choice.DoesNotExist):
        # Redisplay the question voting form.
        return render(request, 'polls/detail.html', {
            'question': question,
            'error_message': "You didn't select a choice.",
        })
    else:
        selected_choice.votes += 1
        selected_choice.save()
        # Always return an HttpResponseRedirect after successfully dealing
        # with POST data. This prevents data from being posted twice if a
        # user hits the Back button.
        return HttpResponseRedirect(reverse('polls:results', args=(question.id,)))

class IndexView(generic.ListView):
    template_name = 'polls/index.html'
    context_object_name = 'latest_question_list'

    def get_queryset(self):
        """Return the last five published questions."""
        return Question.objects.order_by('-pub_date')[:5]
# class DetailView(generic.DetailView):
#     model = Question
#     template_name = 'polls/detail.html'
#
# class ResultsView(generic.DetailView):
#     model = Question
#     template_name = 'polls/results.html'
# def vote(request, question_id):
#     # same as above, no changes needed.
#     model = Question
#     template_name = 'polls/detail.html'
#     pass